PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

518-279Ring,retaining

Cummins Power Generation Inc. · NSN 5325-00-804-7653 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-804-7653 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-804-7653. Primary manufacturer part number: 518-279.
Features
  • Ring,retaining — FSC 5325
  • Usage Design: EXTERNAL
  • Ring Style: EXTERNAL
  • Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
  • Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
  • Surface Treatment: CADMIUM AND CHROMATE OR CHROMATE ZINC
  • Material Hardness Rating: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
  • Major Thickness: 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 1066 or Steel Comp 1069 or Steel Comp 1070 or Steel Comp 1072 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1084 or Steel Comp 1086 or Steel Comp 1090 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-804-7653, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-804-7653
Primary Part Number518-279
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCummins Power Generation Inc.
StatusCANCELLED
Usage DesignEXTERNAL
Ring StyleEXTERNAL
Material Document and ClassificationFED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE
MaterialSTEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090
Surface TreatmentCADMIUM AND CHROMATE OR CHROMATE ZINC
Material Hardness Rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
Major Thickness0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN
Inside Diameter0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN
Casehardening IndicatorNOT CASEHARDENED
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-168-04116838 INTERCHANGEABLE
Lamp,incandescent
Industrial Electronic Engineers, Inc.
6105-00-177-367858338-1 INTERCHANGEABLE
Motor,alternating Current
L3harris Technologies, Inc.
5999-00-204-999823-812 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5325-00-285-71263004120PC391 INTERCHANGEABLE
Ring,retaining
Naval Ship Systems Command
5310-00-453-1296986-53 INTERCHANGEABLE
Washer,flat
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
6625-00-520-417923812 INTERCHANGEABLE
Integrated Thermocouple
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5310-00-600-786098653 INTERCHANGEABLE
Nut,plain,round
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5325-00-805-600212Z64PC27 INTERCHANGEABLE
Ring,retaining
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-01-010-7931 INTERCHANGEABLE
Relay,reed
5360-01-020-5713B3J9C INTERCHANGEABLE
Spring,spiral,torsion
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
518-279 Cummins Power Generation Inc. (USA)
5100-78ZD Truarc Company Llc Dba Waldes Truarc (USA)
JHP111-57 Hollingsworth John R Co (USA)
583381 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
3100-78 Zf Industrieantriebe Witten Gmbh (DEU)
MS16624-1078 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5100-78-S-MD Truarc Co Llc (USA)
5100-78-S-CD Truarc Company Llc Dba Waldes Truarc (USA)
98653 Zf Industrieantriebe Witten Gmbh (DEU)
CG1-5100-78 Zf Industrieantriebe Witten Gmbh (DEU)
MS16624-78 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
23812 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
5100-78MD Truarc Company Llc Dba Waldes Truarc (USA)
3100-78-ST-CD Truarc Co Llc (USA)
MIL-DTL-21248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
83-63427-01 Zf Industrieantriebe Witten Gmbh (DEU)
135615 ITEM 9 Johnson and Bassett Inc (USA)
14A29 Lockheed Martin Corp (USA)
0183-31 Northrop Grumman Systems Corporation (USA)
1883248 ITEM 20 Northrop Grumman Systems Corporation (USA)
Related Parts
6240-00-168-0411INTERCHANGEABLE
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MOTOR,ALTERNATING CURRENT
58338-1
5999-00-204-9998INTERCHANGEABLE
CONTACT,ELECTRICAL
23-812
5325-00-285-7126INTERCHANGEABLE
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3004120PC391
5310-00-453-1296INTERCHANGEABLE
WASHER,FLAT
986-53
6625-00-520-4179INTERCHANGEABLE
INTEGRATED THERMOCOUPLE
23812
5310-00-600-7860INTERCHANGEABLE
NUT,PLAIN,ROUND
98653
5325-00-805-6002INTERCHANGEABLE
RING,RETAINING
12Z64PC27
5945-01-010-7931INTERCHANGEABLE
RELAY,REED
5360-01-020-5713INTERCHANGEABLE
SPRING,SPIRAL,TORSION
B3J9C
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GAGE,PRESSURE,DIAL INDICATING
A2381-2
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MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5325-00-804-7653?

NSN 5325-00-804-7653 is a Ring,retaining, manufactured by Cummins Power Generation Inc., classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-804-7653?

NSN 5325-00-804-7653 has 22 cross-referenced part numbers: 518-279 (Cummins Power Generation Inc.), 5100-78ZD (Truarc Company Llc Dba Waldes Truarc), JHP111-57 (Hollingsworth John R Co), 583381 (U S Army Tank Automotive Command Amsta-Im-Mm), 3100-78 (Zf Industrieantriebe Witten Gmbh) and 17 more.

What NSN replaces 5325-00-804-7653?

There are 12 known substitutes for 5325-00-804-7653: 6240-00-168-0411, 6105-00-177-3678, 5999-00-204-9998 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 518-279?

Key specifications for 518-279: Usage Design: EXTERNAL; Ring Style: EXTERNAL; Material Document and Classification: FED STD 66 AISI 1066 OR 1069 OR 1070 OR 1072 OR 1074 OR 1075 OR 1078 OR 1080 OR 1084 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1066 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1072 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1086 OR STEEL COMP 1090. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-804-7653 still in active supply?

NSN 5325-00-804-7653 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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